What is CVE-2018-21250?

CVE-2018-21250 is a medium-severity vulnerability in Mattermost Server, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-06-19.

How severe is CVE-2018-21250?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Mattermost Server

CVE-2018-21250

An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (61.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Mattermost Mattermost_server
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21250?: CVE-2018-21250 is a medium-severity vulnerability in Mattermost Server, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-06-19.
How severe is CVE-2018-21250?: Medium severity. CVSS v3 base score is 6.5 out of 10.